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Proof step 5 from proof validrefs-bytearray-01 (previous step)

jvmref = r ∧ refs0 = [] ∨ okbytearray(r, st) ∧ refs0 = [] ⊦ validrefs(str, r ' + refs0, mkarraytype(byte_type), st)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ validrefs(str, r ' + refs, mkarraytype(byte_type), st) ↔ refs = [] ∧ (r = jvmref ∨ okbytearray(r, st))
Proof step 4:
jvmref = r ∧ refs0 = [] ∨ okbytearray(r, st) ∧ refs0 = [] ⊦ refs0 = [] ∧ (r = jvmref ∨ okbytearray(r, st))

Rule argument

[crewrite-arg: validrefs-bytearray , F , [st, refs, r, str] → [st, refs0, r, str] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, refs0, r, str)]]